{
    "meta_info": {
        "case_id": "BCIC2020-3_04.edf",
        "bench_subset": "NeuroBench-Core",
        "difficult": 1.5,
        "original_dataset": "BCIC2020-3"
    },
    "agent_input": {
        "data_path": "data/core/BCIC2020-3_04.edf",
        "instruction": "Please select the specified central EEG channel C3, compute the 49-51Hz narrowband power before notch filtering, apply a 60Hz FIR notch filter, compute the 49-51Hz narrowband power after notch filtering, calculate the ratio post_notch_power / pre_notch_power, and report both the ratio and whether line-noise interference was successfully suppressed. Define successful suppression as a ratio strictly below 0.5."
    },
    "eval_config": {
        "parser_prompt": "### ROLE\nYou are a precise JSON Extraction Engine for neurophysiological data. Your sole task is to convert natural language reports into structured JSON data.\n\n### TASK\nExtract two outputs from the agent report:\n1) suppression ratio defined as post_notch_power / pre_notch_power\n2) whether line-noise interference was successfully suppressed\n\n### STRICT CONSTRAINTS (MANDATORY)\n1. Output ONLY a valid JSON object.\n2. DO NOT include Markdown code blocks.\n3. DO NOT include any conversational text or explanations.\n4. Keys in JSON must be EXACTLY \"suppression_ratio\" and \"suppressed\".\n5. \"suppression_ratio\" must be a FLOAT or null.\n6. \"suppressed\" must be either true, false, or null.\n\n### OUTPUT TEMPLATE\n{\"suppression_ratio\": <float|null>, \"suppressed\": <bool|null>}",
        "metrics": [
            {
                "metric_id": "suppression_ratio_accuracy",
                "type": "numeric_check",
                "target_key": "suppression_ratio",
                "weight": 70,
                "params": {
                    "gt_value": 1.000519678602253,
                    "tolerance": 0.1000519678602253
                }
            },
            {
                "metric_id": "suppression_success_accuracy",
                "type": "categorical_check",
                "target_key": "suppressed",
                "weight": 30,
                "params": {
                    "gt_value": false
                }
            }
        ]
    }
}